The first thing you should put on your job acceptance letter is the date. Include it underneath the header close to the top of your letter.Learn what an acceptance letter is, see what to do before writing one, discover how to accept a job offer in a letter, and review examples for Specify the position for which you are applying. (Note: A separate application must be submitted for each vacancy. Discover what an offer letter is, including the elements you may find in one, how you can respond to job offers and an offer letter example. I am writing to confirm my acceptance of your employment offer on April 20 and to tell you how delighted I am to be joining XYZ Corporation in Chicago.